XLIFF and ITS mapping-ID value

The spec text for ID value data category of ITS is offered as follows:

"ID value

This data category provides a mechanism to build customized unique identifiers for different parts of the document. It is generally recommended to use native xml:id or id attributes for XML and HTML documents respectively.

As XLIFF 2.1 identifiers are not unique in the scope of the entire document, this data category should be avoided where possible and replaced by native XLIFF identifiers."

And I have a question with regards to the example. The current text in the wiki page mentions "exceptions for very specific context...", would you please provide a particular case? I don't think the current example on wiki is that.

Please feel free to leave feedback or comments.

Thank you in advance for your participation!

Best,

Soroush.

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